Recent content by jethbrown

  1. J

    Suggestions on dealing with Heterotrophic Plate Count (hpc)

    New member but working on pools for some time. We have a indoor salt water pool. Lately we have had a High Plate count, and have failed the lab tests. We have shocked the pool the first time to 10 PPM, and failed again. I then shocked it with Lithium Shock to 20 ppm and again failed...